@misc{indiciae995509e62a78,
  title = {First-trimester sonographic screening for Down syndrome.},
  author = {Fergal D Malone and Mary E D'Alton and Society for Maternal-Fetal Medicine},
  year = {2003},
  doi = {10.1016/j.obstetgynecol.2003.08.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/14672489/},
  note = {Source identifier: 14672489}
}